radeonsi: Handle TGSI_SEMANTIC_PRIMID
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 42a3fc6..6788255 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -169,6 +169,7 @@
assert(i < Elements(shader->input));
shader->input[i].name = d->Semantic.Name;
shader->input[i].sid = d->Semantic.Index;
+ shader->input[i].index = d->Range.First;
shader->input[i].interpolate = d->Interp.Interpolate;
shader->input[i].centroid = d->Interp.Centroid;
return -1;
@@ -258,7 +259,9 @@
struct si_shader *shader = &si_shader_ctx->shader->shader;
si_store_shader_io_attribs(shader, decl);
- shader->input[input_index].param_offset = shader->nparam++;
+
+ if (decl->Semantic.Name != TGSI_SEMANTIC_PRIMID)
+ shader->input[input_index].param_offset = shader->nparam++;
}
static LLVMValueRef fetch_input_gs(
@@ -279,6 +282,15 @@
LLVMValueRef args[9];
unsigned vtx_offset_param;
+ if (swizzle != ~0 &&
+ shader->input[reg->Register.Index].name == TGSI_SEMANTIC_PRIMID) {
+ if (swizzle == 0)
+ return LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+ SI_PARAM_PRIMITIVE_ID);
+ else
+ return uint->zero;
+ }
+
if (!reg->Register.Dimension)
return NULL;
@@ -1040,6 +1052,7 @@
case TGSI_SEMANTIC_CLIPVERTEX:
si_llvm_emit_clipvertex(bld_base, pos_args, outputs[i].values);
continue;
+ case TGSI_SEMANTIC_PRIMID:
case TGSI_SEMANTIC_FOG:
case TGSI_SEMANTIC_GENERIC:
target = V_008DFC_SQ_EXP_PARAM + param_count;